Second part: the mathematics teacher role's transition.
第二部分:数学教师角色的转变。
Sorry, Bill, the mathematics teacher has runed overtime for nearly 40 minutes.
女:对不起,那个数学老师拖堂了四十分钟。
Then I put the CARDS to the mathematics teacher liu and the Chinese teacher zhang.
接着我又把贺卡给了数学刘老师和语文张老师。
They read. And one of the people that was reading this literature was a high school teacher who was teaching mathematics in Basil, Switzerland.
其中一个读过这篇文章的人,是个教高中生的老师,在瑞士的罗勒教数学。
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